18886818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{136861}}^1$

素因数の和:136889

約数の個数: 16

約数和(自身を含む): 39416256

約数和(自身を除く): 20529438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 136861, 273722, 410583, 821166, 3147803, 6295606, 9443409, 18886818]

約数ペア:

[(1, 18886818), (2, 9443409), (3, 6295606), (6, 3147803), (23, 821166), (46, 410583), (69, 273722), (138, 136861)]